Plural of adieu; multiple farewells or goodbye wishes.
From French 'adieu,' itself from Latin 'ad Deum' (to God). The plural 'adieus' follows English rules, though 'adieux' (French plural) is also used.
We inherited a beautiful French word (which itself contains a prayer to God) but then awkwardly pluralized it with both English and French versions—language can't decide if it's being English or fancy.
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